EP0696780A3 - Changement de résolution d'image - Google Patents

Changement de résolution d'image Download PDF

Info

Publication number
EP0696780A3
EP0696780A3 EP95303664A EP95303664A EP0696780A3 EP 0696780 A3 EP0696780 A3 EP 0696780A3 EP 95303664 A EP95303664 A EP 95303664A EP 95303664 A EP95303664 A EP 95303664A EP 0696780 A3 EP0696780 A3 EP 0696780A3
Authority
EP
European Patent Office
Prior art keywords
image resolution
alteration
resolution alteration
image
resolution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP95303664A
Other languages
German (de)
English (en)
Other versions
EP0696780A2 (fr
Inventor
Chuen-Chein Lee
Teruyosh Komuro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Electronics Inc
Original Assignee
Sony Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Electronics Inc filed Critical Sony Electronics Inc
Publication of EP0696780A2 publication Critical patent/EP0696780A2/fr
Publication of EP0696780A3 publication Critical patent/EP0696780A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4023—Scaling of whole images or parts thereof, e.g. expanding or contracting based on decimating pixels or lines of pixels; based on inserting pixels or lines of pixels

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
EP95303664A 1994-07-12 1995-05-30 Changement de résolution d'image Withdrawn EP0696780A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US273869 1994-07-12
US08/273,869 US5666163A (en) 1994-07-12 1994-07-12 Electronic image resolution enhancement by frequency-domain extrapolation

Publications (2)

Publication Number Publication Date
EP0696780A2 EP0696780A2 (fr) 1996-02-14
EP0696780A3 true EP0696780A3 (fr) 1996-05-08

Family

ID=23045762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95303664A Withdrawn EP0696780A3 (fr) 1994-07-12 1995-05-30 Changement de résolution d'image

Country Status (6)

Country Link
US (2) US5666163A (fr)
EP (1) EP0696780A3 (fr)
JP (1) JPH08101917A (fr)
KR (1) KR960006587A (fr)
CA (1) CA2148433A1 (fr)
TW (1) TW296529B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3651511B2 (ja) * 1996-03-22 2005-05-25 富士写真フイルム株式会社 デジタル画像記録装置および方法
WO1998035449A1 (fr) * 1997-02-10 1998-08-13 Sony Corporation Procede et materiel de traitement de donnees
KR100563756B1 (ko) 1997-11-05 2006-03-24 소니 가부시끼 가이샤 디지탈 신호 변환 방법 및 디지탈 신호 변환 장치
JP3343070B2 (ja) * 1998-01-30 2002-11-11 富士写真フイルム株式会社 画像出力システム
JP3748489B2 (ja) * 1998-03-11 2006-02-22 キヤノン株式会社 画像処理装置、画像処理方法及びコンピュータ読み取り可能な記憶媒体
US20050123210A1 (en) * 2003-12-05 2005-06-09 Bhattacharjya Anoop K. Print processing of compressed noisy images
KR100580094B1 (ko) * 2004-03-27 2006-05-16 주식회사 팬택앤큐리텔 디지털 카메라 기능을 가지는 휴대 단말기의 픽셀 어레이데이터 처리 장치 및 방법
WO2006091041A1 (fr) * 2005-02-24 2006-08-31 Lg Electronics Inc. Procede permettant de surechantillonner/sous-echantillonner des donnees d'un bloc video
US8743963B2 (en) * 2007-08-13 2014-06-03 Ntt Docomo, Inc. Image/video quality enhancement and super-resolution using sparse transformations
US8731062B2 (en) * 2008-02-05 2014-05-20 Ntt Docomo, Inc. Noise and/or flicker reduction in video sequences using spatial and temporal processing
US20110097009A1 (en) * 2008-06-20 2011-04-28 Nxp B.V. Digital image restoration
CN109598676A (zh) * 2018-11-15 2019-04-09 华南理工大学 一种基于哈达玛变换的单幅图像超分辨率方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984002019A1 (fr) * 1982-11-15 1984-05-24 Eastman Kodak Co Procede de traitement d'images utilisant une procedure de transformation par chevauchement de blocs
GB2211691A (en) * 1987-10-28 1989-07-05 Hitachi Ltd Picture coding and interpolation apparatus
EP0447039A2 (fr) * 1990-03-16 1991-09-18 The Regents Of The University Of California Modification de la taille d'images obtenues par résonance magnétique à l'aide de la transformation de Fourier
US5168375A (en) * 1991-09-18 1992-12-01 Polaroid Corporation Image reconstruction by use of discrete cosine and related transforms
JPH05261982A (ja) * 1992-03-23 1993-10-12 Seiko Epson Corp プリント装置
JPH05316357A (ja) * 1992-05-14 1993-11-26 Nippon Telegr & Teleph Corp <Ntt> 解像度変換方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03160575A (ja) * 1989-11-20 1991-07-10 Toshiba Corp 画像表示装置
US5136377A (en) * 1990-12-11 1992-08-04 At&T Bell Laboratories Adaptive non-linear quantizer
JPH04246992A (ja) * 1991-01-31 1992-09-02 Sony Corp 画像変換装置
US5298997A (en) * 1991-10-01 1994-03-29 Ricoh Company, Ltd. Line data-block data converting circuit
JP3278881B2 (ja) * 1991-12-13 2002-04-30 ソニー株式会社 画像信号生成装置
GB2262854B (en) * 1991-12-24 1995-05-24 Sony Broadcast & Communication Image processing apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984002019A1 (fr) * 1982-11-15 1984-05-24 Eastman Kodak Co Procede de traitement d'images utilisant une procedure de transformation par chevauchement de blocs
GB2211691A (en) * 1987-10-28 1989-07-05 Hitachi Ltd Picture coding and interpolation apparatus
EP0447039A2 (fr) * 1990-03-16 1991-09-18 The Regents Of The University Of California Modification de la taille d'images obtenues par résonance magnétique à l'aide de la transformation de Fourier
US5168375A (en) * 1991-09-18 1992-12-01 Polaroid Corporation Image reconstruction by use of discrete cosine and related transforms
JPH05261982A (ja) * 1992-03-23 1993-10-12 Seiko Epson Corp プリント装置
JPH05316357A (ja) * 1992-05-14 1993-11-26 Nippon Telegr & Teleph Corp <Ntt> 解像度変換方法

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
AGBINYA J I: "Interpolation using the discrete cosine transform", ELECTRONICS LETTERS, 24 SEPT. 1992, UK, vol. 28, no. 20, ISSN 0013-5194, pages 1927 - 1928, XP000315931 *
BROUAYE F: "Sampling and wavelets: a new approach to the zero-padding method", TRAITEMENT DU SIGNAL, 1992, FRANCE, vol. 9, no. 2, ISSN 0765-0019, pages 193 - 200 *
MURAMATSU S ET AL: "Scale factor of resolution conversion based on orthogonal transforms", IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS, COMMUNICATIONS AND COMPUTER SCIENCES, JULY 1993, JAPAN, vol. E76-A, no. 7, ISSN 0916-8508, pages 1150 - 1153 *
PATENT ABSTRACTS OF JAPAN vol. 018, no. 025 (M - 1542) 14 January 1994 (1994-01-14) *
PATENT ABSTRACTS OF JAPAN vol. 018, no. 124 (E - 1517) 28 February 1994 (1994-02-28) *

Also Published As

Publication number Publication date
TW296529B (fr) 1997-01-21
EP0696780A2 (fr) 1996-02-14
US5666163A (en) 1997-09-09
US6141054A (en) 2000-10-31
KR960006587A (fr) 1996-02-23
JPH08101917A (ja) 1996-04-16
CA2148433A1 (fr) 1996-01-13

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